Means for overcoming frost.



H. A. HARDINGE & E; A. PAGEL.

MEANS FOR OVEBOOMING FROST.

APPLICATION FILED AUG. 10, 190B.

Patsnted Oct. 26, 1909.

IN VENToR fvmd O0, mmumoamnm. IAINIWM a c.

UNITED STATES PATENT OFFICE.

HARLEY A. HARDINGE, OF LOS GATOS, AND EDWARD A. PAGEL, OF CAMPBELL,CALIFORNIA.

MEANS FOR OVERCOMING- FROST.

Specification of Letters Patent.

Patented Oct. 26, 1909.

To all whom it may concern:

Be it known that we, HARLEY A. HAR- DINGE and EDWARD A. PAGEL, citizensof the United States, residing, respectively, at Los Gatos and Campbell,both in the county of Santa Clara, State of California, have inventednew and useful Means for Overcoming Frost, of which the following is aspecification.

The object of the invention is to provide apparatus which may be used topreserve vegetation of all kinds from the injurious effects of frost;and which may furthermore be used to distribute insect powder overplants and trees.

In the accompanying drawing, the figure is a broken side view, partly invertical section, of our improved apparatus.

Referring to the drawing, 1 indicates an air inlet tube, which passesthrough a furnace 9 provided with an air inlet tube 10 and having acharging door 11 and the stack 12. The air inlet tube leads from theentrance of the heating tube 1, thus producing an automatic blower forthe furnace. 16 indicates a valve for controlling the passage of the airthrough said heating tube.

14 indicates an auxiliary heating furnace in which an oil burner 13 maybe used, the

outlet from said furnace 14 to the stack 12 being controlled by ashutter 15, which may be raised or lowered as desired.

17 indicates connections from the tube 1 to smaller tubes 19, (one onlybeing shown), which lead to different parts of an orchard, and which arecontrolled by valves 18. Each of the tubes 19 is connected with a blower5,

and from said blowers 5 lead hose pipes 7 I as described.

HARLEY A. HARDINGE. EDWARD A. PAGEL. Witnesses:

H. J. DOUGHERTY, M. E. EMPEY.

